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INCOME TAXES (Reconciliation of Tax Contingencies) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Reconciliation of beginning and ending tax contingencies, excluding interest and penalties      
Beginning balance $ 7,974 $ 6,964 $ 7,333
Additions for tax positions related to the current year 1,064 1,013 881
Additions for tax positions taken in prior years 20 332 230
Reduction for tax positions settled by utilizing tax attributes 0 (335) (1,480)
Ending balance $ 9,058 $ 7,974 $ 6,964